in general terms first, what exactly is chairman bernanke promising to look into? >> this has for the better part of the decade been the great big unknown, this world of derivatives which are largely unregulated secondary investment vehicles. they're almost train of thought. it's whatever an investment bank can come up with. we saw the derivative situation blow up with respect to a.i.g. where there was an oversight and now the concern not only here in the united states and in greece but in the rest of the world and in the capital markets is that the banks in parallel practice this with governments to help them duke the debts. >> brown: go back a few years to 2000, 2001. the first issue is whether and how these banks and financial institutions greece mask its true problems. how did they do that. >> greece in 2000, 2001, very much wants to become a euro member and to do that it has to be able to show its financial stability and a certain measure of austerity, it has to have, for example, a budget gap that is no more than whatever percentage limit was back then if it